Chitosan as Cationic Polyelectrolyte for the Modification of Electroosmotic Flow and Its Utilization for the Separation of Inorganic Anions by Capillary Zone Electrophoresis
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- TAKAYANAGI Toshio
- Graduate School of Natural Science and Technology, Okayama University CREST, Japan Science and Technology Agency
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- MOTOMIZU Shoji
- Graduate School of Natural Science and Technology, Okayama University
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Cationic polyelectrolyte of chitosan was used for the reversal of electroosmotic flow in capillary zone electrophoresis. The chitosan was dissolved in acetic acid solution, and stable electroosmotic flow was obtained at the chitosan concentrations between 50 and 300 µg/mL. Separation of inorganic anions was carried out using the dynamically coated capillary by capillary zone electrophoresis. Nine kinds of anions were separated and detected with the capillary. The electrophoretic mobility of the analyte anions decreased with increasing concentrations of chitosan in the migrating solution through ion-ion interaction, but the migration order of the analyte anions was not changed in the concentration range of the chitosan examined. The signal shape for the analyte anions was developed by using field-enhanced sample stacking with 10 mM sodium sulfate.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 22 (9), 1241-1244, 2006
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679232957184
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- NII論文ID
- 130004441348
- 10018064441
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- NII書誌ID
- AA10500785
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 8050872
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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